Marco whistled, impressed. "You were the head ninja's apprentice?"

When she described how seals worked, he listened closely. This was the kind of information he'd been lacking - details about how her powers worked, what they could do. He'd seen hand seals before, but he hadn't had anything to go on about what they did until now. "So you need some kind of seal in order to use your fancy ninja powers?" he guessed. "What about your wall destroying? You never used any hand movements for that, you just tapped it." He narrowed his eyes at the mention of curse seals. That he didn't like the sound of at all. "So curse seals manipulate people," he said flatly. "They let someone else control you."